package main

import (
	"bufio"
	"fmt"
	"os"
	"strings"
)

func main() {
	//var s,sep string  //sep-分隔符

	//for i:=1;i<len(os.Args);i++{
	//	s+=sep+os.Args[i]
	//	sep=" "
	//}
	fmt.Println(strings.Join(os.Args[1:], " "))
	fmt.Println("what your name:")
	reader := bufio.NewReader(os.Stdin)
	text, _ := reader.ReadString('\n')
	fmt.Printf("your name is:%s", text)
}
